Dental drill depth gauge



FIG. 1 is a perspective view of a dental drill depth gauge, showing my new design.

FIG. 2 is another perspective view of the dental drill depth gauge of FIG. 1;

FIG. 3 is a front view of the dental drill depth gauge of FIG. 1;

FIG. 4 is a rear view of the dental drill depth gauge of FIG. 1;

FIG. 5 is a left side view of the dental drill depth gauge of FIG. 1;

FIG. 6 is a right side view of the dental drill depth gauge of FIG. 1;

FIG. 7 is a top view of the dental drill depth gauge of FIG. 1; and,

FIG. 8 is a bottom view of the dental drill depth gauge of FIG. 1.

The outermost broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a dental drill depth gauge, substantially as shown and described. 